Nohilow Posted September 7, 2017 Report Share Posted September 7, 2017 Two new codes popped up...finally getting the hang of the onboard diagnostics...I think i've been missing some of the codes by the way I've been fiddling around with the panel...finally read some directions from the forum...duh! Found this site to look them up: http://www.obdii.com/codes.asp Had a few other codes, but after looking them up, I'm not concerned...DDM B1591 (mirror position issue), and IPM B0429 (Temp control #3 Rear circuit...think its a seat heat issue, again...not concerned with that one either, BUT: PCM P0171: Fuel Trim System Lean Bank 1 PCM P0174: Fuel Trim System Lean Bank 2 These are obviously about my fuel system......how can I run these down? Link to comment Share on other sites More sharing options...
OldCadTech Posted September 7, 2017 Report Share Posted September 7, 2017 Are they current or history? THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
rockfangd Posted September 8, 2017 Report Share Posted September 8, 2017 How is the car running? Usually both of those codes are related to the throttle body plenum boot. (the seal between the TB and intake) It may look good up top but will leak at the bottom. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Nohilow Posted September 8, 2017 Author Report Share Posted September 8, 2017 The were listed as current codes, but they vanished last night on a midnite run to 7-11.....where the hell is the emoji for "quizzical look"...... Link to comment Share on other sites More sharing options...
Nohilow Posted September 8, 2017 Author Report Share Posted September 8, 2017 Throttle body plenum boot....is this an easily accessible, cheap, no-knuckle injuring fix? Link to comment Share on other sites More sharing options...
OldCadTech Posted September 8, 2017 Report Share Posted September 8, 2017 THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
Nohilow Posted September 8, 2017 Author Report Share Posted September 8, 2017 Ha,Ha,Ha...you old cad! The car runs fine...even when it threw the code. looked up this on the Utube and it doesn't look too bad of a fix, maybe a bit time consuming, but all on top of the engine... I can also see how this might appear and disappear ...a small tear/leak could open and close for a variety of reasons...? Link to comment Share on other sites More sharing options...
OldCadTech Posted September 9, 2017 Report Share Posted September 9, 2017 It is a pretty easy job. Great time to clean the throttle body while you're in the "mood". THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
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